GB2084326B - Differential pressure gauge - Google Patents

Differential pressure gauge

Info

Publication number: GB2084326B
Authority: GB; United Kingdom
Prior art keywords: differential pressure; pressure gauge; gauge; differential; pressure
Prior art date: 1980-09-08
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB8126523A

Other versions

GB2084326A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dwyer Instruments LLC

Original Assignee

Dwyer Instruments LLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1980-09-08

Filing date

1981-09-02

Publication date

1984-08-08

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22679161&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2084326(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1981-09-02 Application filed by Dwyer Instruments LLC filed Critical Dwyer Instruments LLC

1982-04-07 Publication of GB2084326A publication Critical patent/GB2084326A/en

1983-10-18 Priority to GB08327803A priority Critical patent/GB2132765B/en

1984-08-08 Application granted granted Critical

1984-08-08 Publication of GB2084326B publication Critical patent/GB2084326B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
- G01L7/082—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type construction or mounting of diaphragms
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
- G01L7/084—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type with mechanical transmitting or indicating means
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1624—Destructible or deformable element controlled
- Y10T137/1632—Destructible element
- Y10T137/1692—Rupture disc
- Y10T137/1744—Specific weakening point
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1624—Destructible or deformable element controlled
- Y10T137/1632—Destructible element
- Y10T137/1789—Having pressure responsive valve

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measuring Fluid Pressure (AREA)

GB8126523A 1980-09-08 1981-09-02 Differential pressure gauge Expired GB2084326B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08327803A GB2132765B (en)	1980-09-08	1983-10-18	Differential pressure gauge

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/185,004 US4347744A (en)	1980-09-08	1980-09-08	Diaphragm type differential pressure gauge with overpressure relief protection

Publications (2)

Publication Number	Publication Date
GB2084326A GB2084326A (en)	1982-04-07
GB2084326B true GB2084326B (en)	1984-08-08

Family

ID=22679161

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8126523A Expired GB2084326B (en)	1980-09-08	1981-09-02	Differential pressure gauge

Country Status (5)

Country	Link
US (1)	US4347744A (en)
JP (1)	JPS5777933A (en)
CA (1)	CA1158454A (en)
DE (2)	DE3135417A1 (en)
GB (1)	GB2084326B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4685336A (en) *	1984-02-01	1987-08-11	Lee Wang Industry Ltd.	Pressure gauge
EP0411230B1 (en) *	1989-08-04	1993-12-15	Endress + Hauser Gmbh + Co.	Pressure measuring device
US5012678A (en) *	1990-08-15	1991-05-07	Dwyer Struments, Inc.	Overpressure relief safety plug for pressure gauges
DE4331314C1 (en) *	1993-09-15	1994-09-08	Frank Dr Ing Triesch	Arrangement for signalling a pressure change
US5911163A (en) *	1995-05-12	1999-06-08	Dresser Industries, Inc.	Dual mode vent plug assembly for an enclosed housing
US5557049A (en) *	1995-11-09	1996-09-17	Mercury Enterprises, Inc.	Disposable manometer for use with a CPR bag
US6280406B1 (en)	1997-09-12	2001-08-28	Gambro, Inc	Extracorporeal blood processing system
US6120458A (en) *	1999-01-07	2000-09-19	Welch Allyn, Inc.	Low profile pressure measure device
US7059194B1 (en)	2000-03-15	2006-06-13	Mid-West Instruments	Pressure fault device
US6578429B1 (en)	2000-04-10	2003-06-17	Welch Allyn, Inc.	Physical quantity measuring device
USD488735S1 (en)	2003-03-04	2004-04-20	Dwyer Instruments, Inc.	Combination pressure switch and gage
CA2468613C (en) *	2003-05-29	2010-01-19	Dwyer Instruments, Inc.	Pressure gage and switch
US7051596B1 (en)	2003-10-03	2006-05-30	Ventlab Corporation	Manual resuscitators with integral manometer
CA2513849A1 (en) *	2004-07-29	2006-01-29	Dwyer Instruments, Inc.	Gauge having a magnetically driven pointer rotation device
USD514007S1 (en) *	2004-07-29	2006-01-31	Dwyer Instruments, Inc.	Pressure gauge
US7363811B2 (en) *	2005-04-07	2008-04-29	Endress + Hauser Flowtec Ag	Measurement pickup
WO2007017869A2 (en) *	2005-08-11	2007-02-15	Yefim Kereth	Pressure equalizing housing device
US7628068B2 (en) *	2007-10-24	2009-12-08	Ashcroft, Inc.	Case, window and gasket for measuring device
CN102341684B (en)	2009-03-06	2014-11-26	德怀尔仪器公司	Pressure gage with magnetically coupled diaphragm
US8146435B1 (en) *	2010-10-17	2012-04-03	Sailsors Instruments Ltd., Beijing	Differential pressure gauge
US8522618B1 (en)	2011-10-10	2013-09-03	Mercury Enterprises, Inc.	Disposable manometer for use with magnetic resonance imaging
US9021883B2 (en) *	2013-04-03	2015-05-05	Ru-Wen Wang	Pressure gauge
US9310267B2 (en) *	2014-02-28	2016-04-12	Measurement Specialities, Inc.	Differential pressure sensor
CN109141725A (en) *	2017-06-28	2019-01-04	立业成股份有限公司	pressure gauge
US20190094092A1 (en) *	2017-09-26	2019-03-28	Mopan Co., Ltd.	Diaphragm pressure gauge
TWI705236B (en) *	2019-06-28	2020-09-21	欽瑞工業股份有限公司	Assembly structure of diaphragm pressure gauge
US11047716B2 (en) *	2019-09-26	2021-06-29	Scully Signal Company	Rotating base and flange assembly for a fluid sensor assembly
CN113074863B (en) *	2021-04-01	2022-11-22	苏州新意达仪器科技有限公司	Pressure gauge protection device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2194420A (en) *	1936-06-29	1940-03-19	Air Reduction	Large-capacity regulator
US2195728A (en) *	1937-06-30	1940-04-02	Oxweld Acetylene Co	Multistage regulator
US2407754A (en) *	1945-02-02	1946-09-17	Elmer R Williams	Pressure relief valve
US2722837A (en) *	1950-11-10	1955-11-08	F W Dwyer Mfg Company	Pressure gauge
US3201992A (en) *	1961-11-30	1965-08-24	Ametek Inc	Gauge casing having plastic hinged blow-out
US3091123A (en) *	1962-01-23	1963-05-28	F W Dwyer Mfg Company	Pressure gauge
US3375718A (en) *	1965-01-29	1968-04-02	Frank W Murphy Mfr Inc	Pressure responsive indicator device
US3373614A (en) *	1965-10-23	1968-03-19	Yarway Corp	Differential pressure gauge
US3327894A (en) *	1965-12-21	1967-06-27	De Lacy F Ferris	Tank closure device
US3397319A (en) *	1966-03-31	1968-08-13	Dwyer Mfg Co F W	Differential pressure indicator and switch
US3645140A (en) *	1970-06-15	1972-02-29	Dwyer Instr	Pressure gauge
US3834580A (en) *	1972-09-25	1974-09-10	Black Sivalls & Bryson Inc	Safety pressure relief device
GB1489340A (en) *	1973-12-28	1977-10-19	Tempress As	Overpressure safety arrangement for measuring instrument casings
US3862416A (en) *	1974-03-22	1975-01-21	Dwyer Instr	Pressure indicator and switch
US4011759A (en) *	1975-12-11	1977-03-15	Dwyer Instruments, Inc.	Differential pressure gauge
US4030365A (en) *	1975-12-11	1977-06-21	Dwyer Instruments, Inc.	Differential pressure gauge
US4051730A (en) *	1976-05-20	1977-10-04	H. O. Trerice Co.	Condition responsive indicating instrument

1980
- 1980-09-08 US US06/185,004 patent/US4347744A/en not_active Expired - Lifetime
1981
- 1981-07-21 CA CA000382125A patent/CA1158454A/en not_active Expired
- 1981-09-02 GB GB8126523A patent/GB2084326B/en not_active Expired
- 1981-09-07 DE DE19813135417 patent/DE3135417A1/en active Granted
- 1981-09-07 DE DE19818126000U patent/DE8126000U1/en not_active Expired
- 1981-09-08 JP JP56141620A patent/JPS5777933A/en active Granted

Also Published As

Publication number	Publication date
DE8126000U1 (en)	1983-04-21
JPH021254B2 (en)	1990-01-10
DE3135417C2 (en)	1990-06-28
JPS5777933A (en)	1982-05-15
GB2084326A (en)	1982-04-07
DE3135417A1 (en)	1982-05-27
CA1158454A (en)	1983-12-13
US4347744A (en)	1982-09-07

Publication	Publication Date	Title
GB2084326B (en)	1984-08-08	Differential pressure gauge
GB2065893B (en)	1983-09-01	Differential pressure transducer
JPS57108633A (en)	1982-07-06	Differential pressure measuring apparatus
DE3166692D1 (en)	1984-11-22	Capacitive pressure transducer
DE3176269D1 (en)	1987-07-30	Pressure diaphragm
GB2071853B (en)	1984-05-10	Pressure sensor
DE3270059D1 (en)	1986-04-30	Differential pressure measuring system
JPS56129832A (en)	1981-10-12	Differential pressure transmitter
JPS57160036A (en)	1982-10-02	Pressure indicator
EP0036285A3 (en)	1982-05-12	Flueric partial pressure sensors
GB2106248B (en)	1985-10-16	Differential pressure gauge
GB2040456B (en)	1983-05-11	Differential pressure transducer
JPS5720633A (en)	1982-02-03	Fluid pressure sensor
JPS56140231A (en)	1981-11-02	Pressure measuring gauge
GB2092751B (en)	1984-05-31	Differential pressure gauge
GB2086572B (en)	1984-05-10	Differential pressure measuring apparatus
DE3176249D1 (en)	1987-07-16	Inductive pressure gauge
GB2091883B (en)	1984-04-26	Differential pressure transducer
JPS54153683A (en)	1979-12-04	Pressure gauge
JPS57160039A (en)	1982-10-02	Differential pressure indicator
JPS5550129A (en)	1980-04-11	Pressure gauge
GB2022832B (en)	1982-11-17	Pressure gauge
GB2090417B (en)	1984-07-04	Pressure measuring transducers
JPS57116396A (en)	1982-07-20	Differential pressure signal apparatus
GB2068554B (en)	1984-09-19	Pressure gauges

Legal Events

Date	Code	Title	Description
2001-09-26	PE20	Patent expired after termination of 20 years	Effective date: 20010901